Product: Alcohols, C12‑14 (Lauryl‑Myristyl Alcohol)
CAS‑No.: 80206‑82‑2
EC/EINECS‑No.: 279‑420‑31. Product Information
- Chemical Name: Alcohols, C12‑14
- Synonyms: C12‑14 fatty alcohol, Lauryl‑Myristyl alcohol, Dodecanol‑Tetradecanol mixture
- Composition: Mixture of linear saturated primary fatty alcohols, mainly dodecanol (C12‑OH) and tetradecanol (C14‑OH); typical ratio C12 ≈70‑76 %, C14≈23‑30 %
- Average molecular weight: ~200.36 g/mol
- Description: Natural‑derived / synthetic linear fatty alcohol mixture, key feedstock for surfactants, cosmetics and fine chemical synthesis.
2. Chemical‑Physical Properties
Appearance (30 °C) Colourless clear oily liquid; waxy solid below melting point
Odour Faint characteristic fatty alcohol odour
Melting range 20‑28 °C
Boiling point 272 °C (760 mmHg)
Density (30 °C) 0.832 g/cm³
Refractive index n₃₀/D 1.438‑1.442
Flash point (closed cup) 121 °C
Solubility Insoluble in water; miscible with ethanol, ether, hydrocarbons and most organic solvents
Stability Stable under normal conditions; reacts with strong oxidizing agents, strong acids
3. Quality Specification (Industrial / Cosmetic‑Grade Typical)
| Test Item | Specification |
|---|---|
| Appearance @30 °C | Clear, free of suspended matter |
| Colour (Pt‑Co / Hazen) | ≤ 10 APHA |
| Acid value | ≤ 0.1 mg KOH/g |
| Hydroxyl value | 285‑295 mg KOH/g |
| Saponification value | ≤ 0.8 mg KOH/g |
| Water content (KF) | ≤ 0.10 % |
| C12+C14 total content (GC) | ≥ 98.5 % |
| C12 alcohol | 70‑76 % |
| C14 alcohol | 23‑30 % |
4. Application & Use
Surfactant raw material (major use)
Key intermediate for manufacturing fatty alcohol ethoxylates (AEO), alkyl sulphates (SDS/AES), amine oxides, betaines and non‑ionic/anionic detergent surfactants for household & industrial cleaning products.
Cosmetics & personal‑care
Emollient, thickener, consistency agent, co‑emulsifier. Used in creams, lotions, hair conditioners, cream‑type cleansers; improves texture and conditioning performance.
Chemical intermediate
Production of fatty amines, quaternary ammonium salts, plasticisers, textile auxiliaries, leather processing additives.
Other industrial
Lubricant additives, oil‑field chemical raw material, solvent for special formulations.5. Packing
- Standard: 170 kg net steel drum
- Small‑size packing: 25 kg drum, 5 kg, 1 kg available upon request
- Bulk transport: ISO‑tank container.
6. Transportation and Storage
Transportation
- Not classified as dangerous goods for transport.- Protect containers from mechanical damage, rain and direct sunlight. Keep away from strong oxidants and strong acids. Prevent leakage.
Storage
- Store in cool, dry, well‑ventilated warehouse; recommended storage temperature: 25‑35 °C (keep above melting point to avoid solidification).
- Keep drums tightly closed. Avoid moisture contamination.
- Separated from oxidizing substances, acids.
- Shelf‑life: 12 months under original sealed proper storage.
- Once opened, seal tightly and use as soon as possible.Disclaimer: This TDS provides typical reference data only. It shall not replace official SDS and batch‑wise COA.
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